/*
 * Copyright (c) 2017 Baidu, Inc. All Rights Reserve.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.yinhai.uid;

import com.yinhai.uid.exception.UidGenerateException;

/**
 * Represents a unique id generator.
 *
 * @author yutianbao
 */
public interface UidGenerator {

    /**
     * 获取单个序列号
     *
     * @return UID
     * @throws UidGenerateException
     */
    long getUID() throws UidGenerateException;

    /**
     * 批量获取序列号
     *
     * @return UIDs
     * @throws UidGenerateException
     */
    long[] getBatchUID(int number) throws UidGenerateException;

}
